Measures the iodine number of an activated carbon, in mg of iodine adsorbed per gram.

Iodine number is the main grade figure for activated carbon: the higher it is, the more fine pores the carbon has. Coconut shell carbon is usually sold by an iodine number band, for example 900 to 1,100 mg/g.

Often used for: coconut shell activated carbon, granular and powdered.

How it works

1. Tell us the product, the lot or supplier if you know it, and the destination market.
2. We reply with the laboratory, the test method, the turnaround and the full cost. We say whether the test is ISO/IEC 17025 accredited at that lab.
3. A sample is drawn from the lot and delivered to the lab.
4. The laboratory issues its report in its own name, directly to you.

Priced per sample, not per kilo, so testing 100 grams costs the same as testing a container. Nothing is charged until you approve the quote. You can also name a laboratory yourself, including one in your own country.

How lab testing and COAs work

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